Check the listing for details. RAM-B-252-A-326U RAM EZY-Mount Quick Release Adapter with 11mm.... Color: Black, Condition: New. Listed at 48.94 USD. RAM EZY-Mount Quick Release Adapter with 11mm... RAM-B-252-A-326U Genuine RAM Products! The RAM-B-252-A-326U consists of a 2.25 INCHES x 0.875 INCHES base with 11mm hole, SHORT double socket arm and EZY-Mount quick release adapter kit. The base is often used on motorcycles, attaching to the mirror frame, the main brand of bike is BMW. This part fits well on many handlebar pinchbolts with a washer (base is 5mm thick). The EZY-Mount adapter kit utilizes a quick release male to female union, these mounts are absolutely perfect for those who want the most secure, yet rapid release and portable kit possible. How does it work? Mate an EZY-Mount male or female component to any RAM cradle or device with the standard AMPS hole pattern. Align the two parts and snap into place. To release, push back the release tab and go. The mount is designed with a RAM 1 INCHES diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles.hardware included Assembly Hardwaresocket to socket length 1.75 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumHigh strength compositepackaging type Poly BagWeight 0.42 lb hardware included Assembly Hardware socket to socket length 1.75 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminumHigh strength composite packaging type Poly Bag Weight 0.42 lb